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. 2018 Jan 24;7(1):e20. doi: 10.2196/resprot.7918

Table 7.

Total inquiries sorted by method of outreach. CRO: Contract Research Organization.

Clinical trial inquiries Number
CRO website and intranet 81
Facebook 621
Word of mouth/referral/event 64
Print/newspaper ads 61
Poster/flyer/direct mail/billboard 30